Where: El Paso County, Texas (32.0° N, 106.5° W: paleocoordinates 16.8° S, 80.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Oulodus velicuspis conodont zone, Upham Formation (Montoya Group), Edenian to Edenian (451.0 - 449.6 Ma)

• Statigraphy first described in Howe 1965. Cincinnatian.

• group of beds-level stratigraphic resolution

Environment/lithology: dolomite

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: H. J. Howe. 1966. Orthacea from the Montoya Group (Ordovician) of Trans-Pecos Texas. Journal of Paleontology 40(2):241-257 [S. Holland/S. Holland/S. Holland]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10637: authorized by Steven Holland, entered by Tori Hanson on 05.06.2001, edited by Steven Holland and Pete Wagner

Creative Commons license: CC BY (attribution)